DoD Knowledge Base: FAQs

APO & FPO Shipping Information
Published: 06/23/2005 | Updated:  09/04/2014
What is a APO and FPO address that is needed to mail a package to the troops?

APO stands for "Army Post Office," and is associated with Army or Air Force installations. FPO stands for "Fleet Post Office," and is associated with Navy installations and ships. DPO stands for "Diplomatic Post Office" and is associated with U.S. embassies overseas. The only way to send an item to an APO, FPO, or DPO address is to use the United States Postal Service.

Shipments to APO/FPO/DPO addresses also require some additional customs paperwork to be filled out by the shipper. For a complete list of requirements and restrictions for a particular APO/FPO/DPO zip code, please enter the zip code into our online validator (located in the middle of the left hand margin on every page on If your product is small enough (a patch or sticker, for example), you can probably use a regular letter envelope and avoid filling out the required customs forms.

All Military Post Offices (MPOs) have restrictions on items that can be sent using the APO/FPO/DPO system. While there are several "rules of thumb" that can be referred to, individual APO/FPO/DPO zip codes have restrictions that are specific to the overseas location they serve. These zip codes are now available in an online database that can be searched quickly and easily to verify any and all restrictions to overseas military bases, posts and camps. To access the database, go to:

Military Postal Service Agency (for APO/ FPO questions) call: 1-800-810-6098

Here are some general tips about what you can send: Please make sure all items are small and lightweight. Large, heavy items (for example, family size bottles of shampoo) are impractical to ship. Do not send pressurized items (e.g., shaving cream). Do not send chocolate because it may melt all over the package.

For United States Postal Service package tips, visit: